| article html file updated | 6 February 2020 17:30 CET | Update | https://www.mdpi.com/1420-3049/20/4/6319 |
| article html file updated | 20 September 2019 19:53 CEST | Update | N/A |
| article html file updated | 6 May 2019 22:16 CEST | Update | N/A |
| article html file updated | 26 March 2019 00:23 CET | Update | N/A |
| article html file updated | 17 September 2018 09:03 CEST | Update | N/A |
| article html file updated | 21 August 2015 10:14 CEST | Update | N/A |
| article html file updated | 15 May 2015 09:59 CEST | Original file | N/A |
| article xml file uploaded | 15 May 2015 09:59 CEST | Original file | https://www.mdpi.com/1420-3049/20/4/6319/xml |
| article pdf uploaded. | 13 April 2015 17:24 CEST | Updated version of record | https://www.mdpi.com/1420-3049/20/4/6319/pdf |
| article pdf uploaded. | 10 April 2015 16:56 CEST | Updated version of record | https://www.mdpi.com/1420-3049/20/4/6319/pdf-vor |
| article pdf uploaded. | 10 April 2015 11:06 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/4/6319/pdf-vor |
